Thanks Eli.

Also, I realize now, that sizeof works differently on an array and a
pointer (to an array) (AFAIU).
I guess I will slowly or quickly get used to these (initial) pitfalls.


On Wed, 10 Jan 2024 at 21:10, Eli Zaretskii <eliz@gnu.org> wrote:

> > From: dalanicolai <dalanicolai@gmail.com>
> > Date: Wed, 10 Jan 2024 21:05:22 +0100
> >
> > Ah okay, well I am completely new to C, so I am still finding out things
> (e.g. I have not 'actively' used
> > ptrdiff yet).
> > But indeed the 'nargs' just give the number of passed args (obviously).
> >
> > I had checked the 'sizeof' the args array when passing an argument and
> without passing an
> > argument,
> > and it was the same. Then the docs mention that NARGS is the 'required'
> number of arguments,
> > I had misunderstood it a little (of course the required number is
> variable, but somehow I assumed it
> > would be 1 in this case). So sometimes I overlook the 'obvious', and
> because I had spent some time
> > on testing
> > things already, I decided to just ask here.
>
> The args[] array gets allocated exactly to accommodate nargs
> arguments, so you should never access args[] beyond the index nargs-1.
>
> > Anyway, as usual, thanks for your quick and helpful answer!
>
> You're welcome.
>